Home / 13,476.70-20,216.46-5,163.75

Finding the Fourth Proportional to 13,476.70, 20,216.46 and 5,163.75

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Solution

The fourth proportional to 13,476.70, 20,216.46 and 5,163.75 is: 7,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.70 : 20,216.46 = 5,163.75 : x
  2. Step 2: Convert to fraction form
    13,476.70/20,216.46 = 5,163.75/x
  3. Step 3: Cross multiply
    13,476.70x = 20,216.46 × 5,163.75
  4. Step 4: Simplify right side
    13,476.70x = 104,392,750.17
  5. Step 5: Solve for x
    x = 104,392,750.17/13,476.70
  6. Step 6: Final answer
    x = 7,746.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.